Melitracen and Buprenorphine: Interaction Details
AI-assisted, pharmacist-reviewed · AI content regenerated Jul 11, 2026 · Source data updated Jul 2, 2026 · Sources: FDA labeling, DDInter 2.0, cited literature
Buprenorphine
Melitracen
No brand names on record
How we grade severity & evidence
Severity levels
- Contraindicated: These should generally not be used together.
- Major: Potentially serious — often needs a change or close monitoring.
- Moderate: Can be significant — usually manageable with monitoring.
- Minor: Usually limited clinical impact.
Evidence grades
- Established: Well documented — supported by controlled studies or strong clinical data.
- Probable: Good supporting evidence, though not definitively proven.
- Suspected: Some evidence suggests this interaction, but it is not well established.
- Possible: Limited or conflicting evidence; the interaction may occur.
- Theoretical: Predicted from the drugs' pharmacology; not yet confirmed in people.
Ratings come from the documented interaction literature and are reviewed by a pharmacist. They describe the documented risk of the combination, not what will necessarily happen to you — your dose, timing, and health picture all matter.
Both of these medicines can raise serotonin, a chemical messenger in your brain. Buprenorphine is a strong pain and opioid-dependence medicine, and melitracen is an older antidepressant. When you take them together, the extra serotonin activity can, in rare cases, build up too much and cause something called serotonin syndrome. Signs can include feeling agitated or restless, a fast heartbeat, sweating, shivering, shaking, or muscle twitching.
I want to reassure you that this is considered a theoretical risk, meaning it is a possibility rather than something that happens often. Your care team can manage it safely by watching how you feel, especially when you first start or change a dose. Keep taking both as prescribed and let them know about any new symptoms.
Effect: Additive serotonergic activity from buprenorphine plus melitracen (a tricyclic-type antidepressant) may increase the risk of serotonin syndrome.
Mechanism: Pharmacodynamic (additive), not a PK/enzyme interaction. Neither agent's effect here depends on prodrug activation.
- Direction: Additive increase in serotonergic tone.
- Onset: Unspecified; highest concern at initiation and dose titration.
- Evidence: Theoretical.
- Management: Use with caution. Monitor for autonomic instability, neuromuscular signs (clonus, hyperreflexia, tremor), and mental status changes. Discontinue buprenorphine if serotonin syndrome is suspected. Doses may be individualized by the care team.
What happens
An increased risk of serotonin syndrome
Interaction Deep Dive
When buprenorphine is taken alongside other drugs that influence the serotonergic neurotransmitter system, caution is warranted because serotonin syndrome may develop. Should combined use be necessary, watch for signs of serotonin syndrome, especially at the start of therapy and whenever doses are changed21. If serotonin syndrome is suspected, stop buprenorphine1.
Why it happens (mechanism)
Additive serotonergic effects
How to manage this interaction
You can usually take these together safely with a little extra attention. Because both affect serotonin, your care team will watch you more closely, especially when starting either drug or adjusting a dose.
- Keep taking both medicines exactly as prescribed unless your prescriber tells you otherwise.
- Watch for symptoms like agitation, confusion, fast heartbeat, heavy sweating, shivering, tremor, or muscle twitching.
- Get medical help right away if several of these appear together.
- Ask your pharmacist or prescriber before starting any other medicine or supplement that affects serotonin.
Your dose may be adjusted and individualized by your care team as needed.
Management is individual — confirm any change with your pharmacist or prescriber.
Common questions
Can I take Melitracen and Buprenorphine together?
Taking buprenorphine with melitracen can add up to a rare risk of serotonin syndrome, so keep taking both as prescribed but watch for symptoms like agitation, fast heartbeat, sweating, or muscle twitching and report them promptly. Always confirm with your pharmacist or prescriber before making any change.
How serious is the Melitracen and Buprenorphine interaction?
It is rated major. Potentially serious — often needs a change or close monitoring.
How quickly could this interaction happen?
The documented onset is "unspecified". The timing of this interaction is not well characterized.
How is the Melitracen and Buprenorphine interaction managed?
You can usually take these together safely with a little extra attention. Because both affect serotonin, your care team will watch you more closely, especially when starting either drug or adjusting a dose. Keep taking both medicines exactly as prescribed unless your prescriber tells you otherwise. Watch for symptoms like agitation, confusion, fast heartbeat, heavy sweating, shivering, tremor, or… Management is individual — always follow your own care team's guidance.
How strong is the evidence for this interaction?
The evidence is graded "theoretical". Predicted from the drugs' pharmacology; not yet confirmed in people.
Questions for your pharmacist
- Does my dose of Melitracen or Buprenorphine need adjusting while I take them together?
- What symptoms should prompt me to call you or my prescriber right away?
- Does the timing of my doses matter for this combination?
- Is there a safer alternative to one of these medications for me?
References (2)
- Product Information: BRIXADI(TM) subcutaneous extended-release injection, buprenorphine subcutaneous extended-release injection. Braeburn Inc (per FDA), Plymouth Meeting, PA, 2023. DailyMed
- Product Information: PROBUPHINE(R) subdermal implant, buprenorphine subdermal implant. Braeburn Pharmaceuticals Inc (per FDA), Princeton, NJ, 2016.
Keep reading about Buprenorphine
Keep reading about Melitracen
These medications also interact with supplements
Prescription drugs aren't the whole picture — herbal and dietary supplements can interact with them too. From the evidence-graded Natural Medicines database:
major · moderate · minor — check everything you take with our drug–supplement interaction checker.
Check another combination
Our instant two-drug interaction checker is almost here.
Still have questions about this combination?
Every question gets a real answer from a licensed pharmacist — free, and usually within a day.
Ask the pharmacist